{"product_id":"siemens-mxd63b800hl-800a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens MXD63B800HL - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens MXD63B800HL, an 800A, 600V, 3-pole bolt-on molded case circuit breaker engineered for dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Built to thrive in residential, commercial, and light industrial environments, this breaker delivers unmatched reliability where it matters most — in the heart of your electrical distribution system.\u003c\/p\u003e \u003ch2\u003eWhy the MXD63B800HL stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e a rigid, vibration-resistant bus connection that stays locked in place even in crowded or movement-prone panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise overload protection with instantaneous magnetic tripping for short circuits, ensuring stable, repeatable protection across diverse loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design for 3-phase systems:\u003c\/strong\u003e coordinated protection across all phases reduces the risk of unbalanced faults and streamlines panel coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V rating and 800A capacity:\u003c\/strong\u003e designed to handle high-demand feeders and equipment in commercial and light industrial applications without compromising safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible integration:\u003c\/strong\u003e engineered to pair with matching Siemens OEM load centers and panelboards for straightforward installation and reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eResidential and small-to-mid commercial panels where durable protection and space-efficient, bolt-on mounting are critical.\u003c\/li\u003e \u003cli\u003eHVAC and mechanical room distribution that require solid 3-phase protection with fast fault clearing.\u003c\/li\u003e \u003cli\u003eLight industrial feeder circuits and large motor loads needing robust branch-circuit protection with predictable trip behavior.\u003c\/li\u003e \u003cli\u003eNew installations or replacements in projects prioritizing Siemens-compatible components for cohesive procurement and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePerformance and reliability you can trust\u003c\/h2\u003e\n\u003cp\u003eThe MXD63B800HL embodies Siemens’ commitment to long-term protection. The combination of a secure bolt-on design, a thermal-magnetic trip unit, and OEM compatibility translates to fewer field adjustments, easier installation, and dependable operation in challenging environments. With an 800A rating and a 600V capability, it’s ready to safeguard high-current circuits while maintaining stable performance across varying loads and conditions.\u003c\/p\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MXD63B800HL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355134546082,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_c6ac7a2b-37b0-4cca-a3ee-d18d30e0965e.png?v=1764689520","url":"https:\/\/www.ampstate.com\/products\/siemens-mxd63b800hl-800a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}